PUMP UNIT Russian patent published in 2013 - IPC F04D13/10 E21B43/00 

Abstract RU 2474729 C1

FIELD: engines and pumps.

SUBSTANCE: proposed unit comprises rotary pump 1 with casing 4 communicating ejector system 2 with gas and solids separator 7. Casing chamber on inlet side of pump 1 is communicated with well annular space via opening 12.

EFFECT: possibility to decrease feed of extracted fluid.

1 dwg

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RU 2 474 729 C1

Authors

Loginova Ol'Ga Iosifovna

Dates

2013-02-10Published

2011-06-14Filed